The SmartClip SL3 Self-Ligating Bracket System is comprised of a unique self-ligating clip mechanism with no moving doors providing unmatched efficiency.Based on clinical feedback, 3M Unitek has combined advanced materials engineering with sophisticated mechanical design to develop an even more effective self-ligating bracket system and has improved the unique self-ligating clip mechanism. The SmartClip SL3 Self-Ligating Appliance System now uses less force to give your patients more to smile about.With no moving latches or doors, SmartClip SL3 Self-Ligating Brackets are true self-ligating brackets. The familiar twin design allows for selective engagement, giving the Orthodontist added control during treatment.Also, the traditional tie-wings provide easy application of auxiliaries for space closure when desired. The open slot concept was designed with patient hygiene in mind because it facilitates easy cleaning; this helps reduce problems caused by plaque build-up often associated with other ligation mechanismns.